20:28:49 Unable to set Cell Caching using SQLite method, reverting to memory<br />20:28:49 Create new PHPExcel object<br />20:28:49 Set properties<br />20:28:49 Add data<br />20:28:49 Hide 'Phone' and 'fax' columns<br />20:28:49 Set outline levels<br />20:28:49 Freeze panes<br />20:28:49 Rows to repeat at top<br />20:28:49 Write to Excel2007 format<br />20:28:49 File written to 06largescale-with-cellcaching-sqlite.xlsx<br />Call time to write Workbook was 0.2976 seconds<br />20:28:49 Current memory usage: 20 MB<br />20:28:49 Peak memory usage: 24 MB<br />20:28:49 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />